<template>
  <div class="app-container">
    
    <el-row>
      <el-col :span="4" :xs="24">
        <div class="head-container">
          <el-input
            v-model="deptName"
            placeholder="请输入部门名称"
            clearable
            size="small"
            prefix-icon="el-icon-search"
            style="margin-bottom: 20px"
          />
        </div>
        <div class="head-container">
          <el-tree
            :data="deptOptions"
            :props="defaultProps"
            :expand-on-click-node="false"
            :filter-node-method="filterNode"
            ref="tree"
            default-expand-all
            highlight-current
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>
      <el-col :span="20" :xs="24">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
          <el-form-item label="学号" prop="studentNo">
            <el-input
              v-model="queryParams.studentNo"
              placeholder="请输入学号"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="姓名" prop="realName">
            <el-input
              v-model="queryParams.realName"
              placeholder="请输入姓名"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="学院" prop="deptId" v-show="false">
            <el-input
              v-model="queryParams.deptId"
              placeholder="请输入学院"
              clearable
              @keyup.enter.native="handleQuery"
            />
          </el-form-item >
          <el-form-item label="班级" prop="meataclassId" v-show="false">
            <el-select v-model="queryParams.meataclassId" placeholder="请选择班级" clearable>
              <el-option
                v-for="metaclass in metaclassListFilter()"
                :key="metaclass.meataclassId"
                :label="metaclass.metaclassName"
                :value="metaclass.meataclassId"
              />
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-form>
  
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              icon="el-icon-plus"
              size="mini"
              @click="handleAdd"
              v-hasPermi="['pingjiao:student:add']"
            >新增</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="success"
              plain
              icon="el-icon-edit"
              size="mini"
              :disabled="single"
              @click="handleUpdate"
              v-hasPermi="['pingjiao:student:edit']"
            >修改</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="danger"
              plain
              icon="el-icon-delete"
              size="mini"
              :disabled="multiple"
              @click="handleDelete"
              v-hasPermi="['pingjiao:student:remove']"
            >删除</el-button>
          </el-col>
		  <el-col :span="1.5">
		    <el-button
		      type="warning"
		      plain
		      icon="el-icon-upload2"
		      size="mini"
		      @click="importScore"
		      
		    >批量导入
		    </el-button>
		  </el-col>
          <el-col :span="1.5">
            <el-button
              type="warning"
              plain
              icon="el-icon-download"
              size="mini"
              @click="handleExport"
              v-hasPermi="['pingjiao:student:export']"
            >导出</el-button>
          </el-col>
          <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>
  
        <el-table v-loading="loading" :data="studentList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="55" align="center" />
          <el-table-column label="学号" align="center" prop="studentNo" />
          <el-table-column label="姓名" align="center" prop="realName" />
          <el-table-column label="性别" align="center" prop="gender">
            <template slot-scope="scope">
              <dict-tag :options="dict.type.sys_user_sex" :value="scope.row.gender"/>
            </template>
          </el-table-column>
          <el-table-column label="学院" align="center" prop="metaclass.dept.deptName"/>
          <el-table-column label="班级" align="center" prop="metaclass.metaclassName" />
          <el-table-column label="年级" align="center" prop="grade" />
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template slot-scope="scope">
              <el-button
                size="mini"
                type="text"
                icon="el-icon-edit"
                @click="handleUpdate(scope.row)"
                v-hasPermi="['pingjiao:student:edit']"
              >修改</el-button>
              <el-button
                size="mini"
                type="text"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
                v-hasPermi="['pingjiao:student:remove']"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
  
        <pagination
          v-show="total>0"
          :total="total"
          :page.sync="queryParams.pageNum"
          :limit.sync="queryParams.pageSize"
          @pagination="getList"
        />
      </el-col>
    </el-row>
    
    <!-- 添加或修改学生管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="学号" prop="studentNo">
          <el-input v-model="form.studentNo" placeholder="请输入学号" />
        </el-form-item>
        <el-form-item label="姓名" prop="realName">
          <el-input v-model="form.realName" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="性别">
          <el-radio-group v-model="form.gender">
            <el-radio
              v-for="dict in dict.type.sys_user_sex"
              :key="dict.value"
:label="dict.value"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="归属部门" >
          <treeselect v-model="form.deptId" :options="deptOptions" :show-count="true" placeholder="请选择归属部门" @select="handleTableNodeClick"/>
        </el-form-item>
        <el-form-item label="班级" prop="meataclassId">
          <el-select v-model="form.meataclassId" placeholder="请选择班级">
            <el-option
              v-for="metaclass in metaclassListFilter()"
              :key="metaclass.meataclassId"
              :label="metaclass.metaclassName"
              :value="metaclass.meataclassId"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="年级" prop="grade">
          <el-input v-model="form.grade" placeholder="请输入年级" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
	
	<el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
	  <el-upload ref="upload" :limit="1" accept=".xlsx, .xls" :headers="upload.headers"
	    :action="upload.url " :disabled="upload.isUploading"
	    :on-progress="handleFileUploadProgress" :on-success="handleFileSuccess" :auto-upload="false" drag>
	    <i class="el-icon-upload"></i>
	    <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
	    <div class="el-upload__tip text-center" slot="tip">
	     <!-- <div class="el-upload__tip" slot="tip">
	        <el-checkbox v-model="upload.updateSupport" /> 是否更新已经存在的数据
	      </div> -->
	      <span>仅允许导入xls、xlsx格式文件。</span>
	     <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;"
	        @click="importTemplate">下载模板</el-link>
	    </div>
	  </el-upload>
	  <div slot="footer" class="dialog-footer">
	    <el-button type="primary" @click="submitFileForm">确 定</el-button>
	    <el-button @click="upload.open = false">取 消</el-button>
	  </div>
	  </el-dialog>
	
  </div>
</template>

<script>
import { listStudent, getStudent, delStudent, addStudent, updateStudent } from "@/api/pingjiao/student";
import { listMetaclass, listMetaclassSimple} from "@/api/pingjiao/metaclass";
import { deptTreeSelect } from "@/api/system/user";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import { getToken } from "@/utils/auth";
export default {
  name: "Student",
  dicts: ['sys_user_sex'],
  components: {Treeselect},
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 学生管理表格数据
      studentList: [],
      //班级列表数据
      metaclassList: [],
      // 部门树选项
      deptOptions: undefined,
      // 部门名称
      deptName: undefined,
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
	  upload: {
	    // 是否显示弹出层（用户导入）
	    open: false,
	    // 弹出层标题（用户导入）
	    title: "",
	    // 是否禁用上传
	    isUploading: false,
	    // 是否更新已经存在的用户数据
	    updateSupport: 0,
	    // 设置上传的请求头部
	    headers: { Authorization: "Bearer " + getToken() },
	    // 上传的地址
	    url: process.env.VUE_APP_BASE_API + "/score/student/importData"
	  },
      defaultProps: {
        children: "children",
        label: "label"
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        studentNo: null,
        realName: null,
        deptId: null,
        meataclassId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  watch: {
    // 根据名称筛选部门树
    deptName(val) {
      this.$refs.tree.filter(val);
    }
  },
  created() {
    this.getDeptTree();
    this.getList();
    this.getMetaclassList();
  },
  computed: {
  
  },
  methods: {
    /** 查询班级列表 */
    getMetaclassList(){
      listMetaclassSimple(null).then(response => {
        //console.log(response);
        this.metaclassList = response.rows;
      })
    },
    metaclassListFilter(){
      //console.log("过滤。。。")
      let depId = this.queryParams.deptId;
      //console.log(depId);
      if(this.queryParams.deptId != null && this.metaclassList != null){
        return this.metaclassList.filter(function (data) {
          return depId === data.deptId
        })
      }
    },
    /** 查询部门下拉树结构 */
    getDeptTree() {
      deptTreeSelect().then(response => {
        this.deptOptions = response.data;
      });
    },
    // 筛选节点
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },
    // 节点单击事件
    handleNodeClick(data) {
      this.queryParams.deptId = data.id;
      this.handleQuery();
    },
    // 插入或修改提升框节点单击事件
    handleTableNodeClick(data) {
      this.queryParams.deptId = data.id;
    },
    /** 查询学生管理列表 */
    getList() {
      this.loading = true;
      listStudent(this.queryParams).then(response => {
        //console.log(response);
        this.studentList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        studentId: null,
        studentNo: null,
        realName: null,
        gender: "0",
        meataclassId: null,
        grade: null,
        status: "0",
        delFlag: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        userId: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.studentId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加学生管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const studentId = row.studentId || this.ids
      getStudent(studentId).then(response => {
        console.log(response);
        this.form = response.data;
        this.open = true;
        this.title = "修改学生管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.studentId != null) {
            updateStudent(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addStudent(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const studentIds = row.studentId || this.ids;
      this.$modal.confirm('是否确认删除学生管理编号为"' + studentIds + '"的数据项？').then(function() {
        return delStudent(studentIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('score/student/export', {
        ...this.queryParams
      }, `student_${new Date().getTime()}.xlsx`)
    },
	importScore(){
		this.upload.title = "导入学生信息";
		this.upload.open = true;
	},
	// 文件上传中处理
	handleFileUploadProgress(event, file, fileList) {
	  this.upload.isUploading = true;
	},
	// 文件上传成功处理
	handleFileSuccess(response, file, fileList) {
	  this.upload.open = false;
	  this.upload.isUploading = false;
	  this.$refs.upload.clearFiles();
	  this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", { dangerouslyUseHTMLString: true });
	  this.getList();
	},
	// 提交上传文件
	submitFileForm() {
	  this.$refs.upload.submit();
	},
	importTemplate(){
		this.download('score/student/export1', {
		  ...this.queryParams
		}, `student_${new Date().getTime()}.xlsx`)
	}
  }
};
</script>
